import Vue from 'vue'
import Router from 'vue-router'
import { constantRouterMap } from '@/config/router.config'

// hack router push callback
const originalPush = Router.prototype.push
Router.prototype.push = function push (location, onResolve, onReject) {
  if (onResolve || onReject) return originalPush.call(this, location, onResolve, onReject)
  return originalPush.call(this, location).catch(err => err)
}

Vue.use(Router)

export default new Router({
  mode: 'history',
  base: process.env.BASE_URL,
  // scrollBehavior: () => ({ y: 0 }),
  routes: constantRouterMap,
  scrollBehavior (to, from, savedPosition) {
    // console.log(to, from, savedPosition);
    if (savedPosition) {
      return savedPosition
    }
    // else if(to.hash){
    //   return {
    //     selector: to.hash
    //   }
    // } 
    else {
      return { x: 0, y: 0 }
    }
  }
})
